How to send email with attachment from C#

C# simplifies network programming in .Net framework. C# describes various protocols using communication programming like Socket communications , SMTP mail , UDP , URL etc. The System.Net classes uses to communicate with other applications by using the HTTP, TCP, UDP, Socket etc. In the previous program we saw how to SMTP email from C# describes how to send an email with text body . Here we are sending an email with an attachment.

The following C# source code shows how to send an email with an attachment from a Gmail address . The Gmail SMTP server name is smtp.gmail.com and the port using send mail is 587 . Here using NetworkCredential for password based authentication.